subarch 4kc-malta cpuinfo 4kc-malta.cpuinfo majors 2.6 flavour 4kc-malta kernel-2.6 linux-image-4kc-malta usable \ linux-image-4kc-malta unusable \ linux-image-5kc-malta \ linux-image-loongson-2e \ linux-image-loongson-2f \ linux-image-loongson-3 \ linux-image-sb1-bcm91250a \ linux-image-sb1a-bcm91480b